[test]
exten => s,1,set(COUNT=1)
exten => s,n,while($[${COUNT}=1])
	exten => s,n,while(1)
		exten => s,n,goto(exit)
	exten => s,n,endwhile
	exten => s,n(exit),set(COUNT=2)	
exten => s,n,endwhile